20312023303401 has 32 divisors (see below), whose sum is σ = 28615041884160. Its totient is φ = 12795171299904.

The previous prime is 20312023303399. The next prime is 20312023303493. The reversal of 20312023303401 is 10430332021302.

It is not a de Polignac number, because 20312023303401 - 2¹ = 20312023303399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20312023383401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50926116 + ... + 51323418.

It is an arithmetic number, because the mean of its divisors is an integer number (894220058880).

Almost surely, 2^{20312023303401} is an apocalyptic number.

It is an amenable number.

20312023303401 is a deficient number, since it is larger than the sum of its proper divisors (8303018580759).

20312023303401 is a wasteful number, since it uses less digits than its factorization.

20312023303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409885.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20312023303401 its reverse (10430332021302), we get a palindrome (30742355324703).

The spelling of 20312023303401 in words is "twenty trillion, three hundred twelve billion, twenty-three million, three hundred three thousand, four hundred one".